root@ffone-HP-15-Notebook-PC:~# tail -f /var/log/syslog
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.071335] atkbd serio0: Unknown key pressed (translated set 2, code 0xab on isa0060/serio0).
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.071362] atkbd serio0: Use 'setkeycodes e02b <keycode>' to make it known.
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.073853] atkbd serio0: Unknown key released (translated set 2, code 0xab on isa0060/serio0).
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.073861] atkbd serio0: Use 'setkeycodes e02b <keycode>' to make it known.
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.457949] atkbd serio0: Unknown key pressed (translated set 2, code 0xab on isa0060/serio0).
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.457975] atkbd serio0: Use 'setkeycodes e02b <keycode>' to make it known.
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.462360] atkbd serio0: Unknown key released (translated set 2, code 0xab on isa0060/serio0).
May 13 10:08:16 ffone-HP-15-Notebook-PC kernel: [  152.462386] atkbd serio0: Use 'setkeycodes e02b <keycode>' to make it known.
May 13 10:17:02 ffone-HP-15-Notebook-PC CRON[2896]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
May 13 10:17:03 ffone-HP-15-Notebook-PC kernel: [  679.263896] nf_conntrack: automatic helper assignment is deprecated and it will be removed soon. Use the iptables CT target to attach helpers instead.